Default cmap 'jet' -> 'viridis' (#106)

In the absence of any input on the topic in 6 months I have changed the
default to viridis in the commit. It is trivial to change to something
else if wanted, but that can be discussed in this (or a future) PR if anyone feels
strongly about it.

ansys/mapdl/reader/cyclic_reader.py

@@ -1812,7 +1812,7 @@ def _plot_cyclic_point_scalars(self, scalars, rnum,
         full_screen = kwargs.pop('full_screen', False)
         screenshot = kwargs.pop('screenshot', None)
         text_color = kwargs.pop('text_color', None)
-        kwargs.setdefault('cmap', 'jet')
+        kwargs.setdefault('cmap', 'viridis')
         if scalars is not None:
             kwargs.setdefault('rng', [np.nanmin(scalars), np.nanmax(scalars)])
 

ansys/mapdl/reader/examples/examples.py

@@ -182,7 +182,7 @@ def solve_km():
     # add two meshes to the plotting class
     pl.add_mesh(grid.copy(), color='w', style='wireframe')
     pl.add_mesh(grid, scalars=n, stitle='Normalized\nDisplacement',
-                flip_scalars=True, cmap='jet')
+                flip_scalars=True, cmap='viridis')
     # Update the coordinates by adding the mode shape to the grid
     pl.update_coordinates(grid.points + disp / 80, render=False)
     pl.add_text('Cantliver Beam 4th\nMode Shape at\n{:.4f}'.format(f[3]),

ansys/mapdl/reader/misc.py

@@ -169,7 +169,7 @@ def _configure_pyvista():
     """Configure PyVista's ``rcParams`` for pyansys"""
     import pyvista as pv
     # pv.global_theme.interactive = True
-    pv.global_theme.cmap = "jet"
+    pv.global_theme.cmap = "viridis"
     pv.global_theme.font.family = "courier"
     pv.global_theme.title = "PyMAPDL-Reader"
 

ansys/mapdl/reader/rst.py

@@ -2741,7 +2741,7 @@ def _plot_point_scalars(self, scalars, rnum=None, grid=None,
             rng = kwargs.pop('rng', None)
 
         return_cpos = kwargs.pop('return_cpos', False)
-        cmap = kwargs.pop('cmap', 'jet')
+        cmap = kwargs.pop('cmap', 'viridis')
         window_size = kwargs.get('window_size')
         full_screen = kwargs.get('full_screen')
         notebook = kwargs.get('notebook')
@@ -2961,7 +2961,7 @@ def _animate_point_scalars(self, scalars, grid=None,
             scalars[i] = scalars[i][ind]
 
         rng = kwargs.pop('rng', [np.min(scalars), np.max(scalars)])
-        cmap = kwargs.pop('cmap', 'jet')
+        cmap = kwargs.pop('cmap', 'viridis')
         window_size = kwargs.pop('window_size', [1024, 768])
         full_screen = kwargs.pop('full_screen', False)
         notebook = kwargs.pop('notebook', False)